GPT-5.5 (Xhigh) vs GPT-6.1 Sol (Low)
Which is better for the money: GPT-5.5 (Xhigh) by OpenAI or GPT-6.1 Sol (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6.1 Sol (Low)
GPT-6.1 Sol (Low) vs GPT-5.5 (Xhigh): 9.6% more intelligence, 95.3% less cost to run the AA benchmark, and 72.2% faster end-to-end.
| Metric | GPT-5.5 (Xhigh) | GPT-6.1 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 38.4 | 42.1 | +9.6% GPT-6.1 Sol (Low) is 9.6% more intelligent |
| Total AA cost (lower is better) | $5,294.36 | $250.48 | −95.3% GPT-6.1 Sol (Low) is 95.3% cheaper |
| End-to-end time (lower is better) | 44.96s | 12.52s | −72.2% GPT-6.1 Sol (Low) is 72.2% faster |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.5 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- GPT-6.1 Sol (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.5 (Xhigh)GPT-6.1 Sol (Low)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-5/gpt-6-1-sol-low · Markdown: /api/v1/compare/gpt-5-5/gpt-6-1-sol-low?format=md · llms.txt · agent skill